//JavaScript
function createRequest(){
    try{
        request = new XMLHttpRequest();
    }
    catch(tryMS){
        try{
            request = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch(otherMS){
            try{
                request = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch(failed){
                request = null;
            }
        }
    }
    return request;
}

function addEventHandler(obj, eventName, handler){
    if(document.attachEvent){
        obj.attachEvent("on" + eventName, handler);
    }
    else if(document.addEventListener){
        obj.addEventListener(eventName, handler, false);
    }
}

function getActivatedObject(e){
    var obj;
    if(!e){
        obj = window.event.srcElement;
    }
    else if(e.srcElement){
        obj = e.srcElement;
    }
    else{
        obj = e.target;
    }
    return obj;
}